Mechanism for propelling vessels



'(No Model.) G. O. BAKER.

MECHANISM FOR PROPELLING VESSELS.

No. 358,425. Patented Mar. 1,1887."

UNITED STATES Fries.

PATENT MECHANISM FOR PROPELLING VESSELS.

E PECIFICATION forming part of Letters Patent No. 358,425, dated March 1, 1887.

(No model.)

To ctZZ whom it may concern:

Be it known that I, GEORGE O. BAKER, a citizen of the United States, residing at Des Moines, in the county of Polk and State of Iowa, have invented new and useful Mechanism for Propelling Vessels, of which the following is a specification.

The object of my invention is to provide a mechanism for propelling and guiding aerial and marine vessels by means of a pair of screwpropellers attached on the opposite sides of the central portion of the vessel in such a manner that they can be readily adjusted and retained in position, as required, for directing the vessels course vertically and laterally. This object I attain by the mechanism illustrated in the accompanying drawings, in which-- Figure 1 is a top view of a vessel with the mechanism attached; Fig. 2, a crosssection of the same, and Fig. 3 a detail view of the sleeve and its bearing.

Similar letters refer to similar parts th roughout the several views.

The main shaft A, provided at its extreme outer ends with the bevel-gears b b and at its center with a crank, G, or any equivalent means of transmittingmotion from the engine, rotates in the sleeves D D, which rest in boxes or bearings E E, attached in any secure manner to the sides of the vessel F. The sleeves D D are provided at their outer ends, which project outside of the vessel,with arms 9 g, standing at right angles with the body of the sleeve. From the arms g 9 two bearings, h h, extend outward, and. are provided at their ends with boxes to carry the shafts m m. One end of each shaft m,which rests parallel with the sides of the vessel, is provided with a common screw-propeller, a, and the other end with abevehgear, 0, which engage the bevelgear 12 b at the extreme end of the main shaft A.

To the inner ends of the sleeves D D and inside of the vessel are attached levers p p, with racks r r, or any suitable form of hand or antomatic mechanism, for adjusting and setting the sleeves D D and propellers n n in any desirable position to guide the vessel upward, downward, in a circular or in a reverse course. By this form of mechanism it will be seen that by throwing the propellers in different angles relative to the keel of the vessel it may be made to move upward or downward in air or water, and when attached to a marine structure the principle may be applied to the directing of submarine torpedo-boats, 8:0.

I further wish to emphasize as an important feature of my invention the central arrange ment of the main shaft A with the propellers an as a more perfect means of managing a vessel.

I am aware that a propeller has been conr bined with the end of a vessel in such a manner that it could be raised and lowered in a circle about a center to advance a vessel in waterin one direction only; but my construction, arrangement, and combination of two propeller-wheels with the opposite sides of the central portion of a vessel and mechanism for adjusting and operating the wheels independently and also jointly at pleasure, for the purpose of raising or lowering the vessel, advancing it horizontally, reversing its motion, and steering it in any direction desired, is novel and greatly advantageous.

I claim as my invention- 1. The combination of the main shaft A, provided at its ends with sleeves resting in bearings in the sides of the vessel, which sleeves are adapted to carry propellers operating in conjunction with the main shaft A, and provided with means of adjusting the same, substantially as specified, and for the purposes stated.

2. The main shaft A, provided with the sleeves D D, resting in bearings E E, which sleeves have arms g 9 extending from their outer ends at right angles, and projecting outward from which are the bearings h h, carrying the propeller-shafts m m, which operate in conjunction with the main shaft A by means of the bevel-gears b b and o 0, and the whole provided with means for adjusting the sleeves and propellers, substantially as set forth, and for the purposes stated.

3. A driving-shaft having bevel-gears on,

its ends, sleeves having arms extending at right angles from their outer ends, carrying propeller-wheels, and mechanism for rotating and adjusting the sleeves,arranged and combined with a vessel, to operate in the manner set forth, for the purposes stated.

4. A vessel having adriving-shaft extended horizontally and transversely through its central portion, sleeves upon the ends of said said sleeves, arranged and combined to opershaft, arms extending at right angles from the ate in the manner set forth, for the purposes outer ends of said sleeves, propeller-wheels stated.

in bearings extending at right angles from GEORGE O. BAKER. 5 said arms, mechanism for rotating said sleeves, \Vitnesses:

and mechanism for operating the propeller- O. W. STILES,

wheels carried on the arms extending from THOMAS G. ORWIG. 

